/*
 * Copyright 2010 Florian Sauter
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package de.rentoudu.chat.server.serializer;

import java.lang.reflect.Type;

import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import com.googlecode.objectify.Key;

/**
 * Converts a {@link Key} object into a string using the name of the {@link Key}.
 * 
 * @author Florian Sauter
 */
public class KeyStringSerializer implements JsonSerializer<Key<?>> {

	public static KeyStringSerializer create() {
		return new KeyStringSerializer();
	}

	@Override
	public JsonElement serialize(Key<?> key, Type type, JsonSerializationContext context) {
		return new JsonPrimitive(key.getName());
	}
}
